#!/usr/bin/env bash
set -o errexit
set -o pipefail
set -o nounset

SCRIPTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"; export SCRIPTDIR
source "${SCRIPTDIR}/.validate"

# Iterate over all directories containing vendor folders.
for dir in . integration; do
	vendor_dir="${dir}/vendor/"
	IFS=$'\n' files=( $(validate_diff --diff-filter=ACMR --name-only -- ${vendor_dir} || true) )

	if [[ ${#files[@]} -gt 0 ]]; then
		# We run glide install to and see if we have a diff afterwards
		echo "checking ${vendor_dir} for unintentional changes..."
		(
		cd ${dir}
		"${SCRIPTDIR}/glide.sh" install
		)
		# Let see if the working directory is clean
		diffs="$(git status --porcelain -- ${vendor_dir} 2>/dev/null)"
		if [[ "$diffs" ]]; then
			{
				echo "The result of 'glide install' for vendor directory '${dir}' differs"
				echo
				echo "$diffs"
				echo
				echo 'Please vendor your package(s) with script/glide.sh.'
				echo
			} >&2
			exit 2
		fi
	fi
done

echo 'Congratulations! All vendoring changes are done the right way.'
